?? sqlmapdaotransactionmanager.java
字號(hào):
/*
* Copyright 2004 Clinton Begin
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.ibatis.dao.engine.transaction.sqlmap;
import com.ibatis.common.resources.Resources;
import com.ibatis.dao.client.DaoException;
import com.ibatis.dao.client.DaoTransaction;
import com.ibatis.dao.engine.transaction.DaoTransactionManager;
import com.ibatis.sqlmap.client.SqlMapClient;
import com.ibatis.sqlmap.client.SqlMapClientBuilder;
import java.io.IOException;
import java.io.Reader;
import java.util.Properties;
/**
* @see com.ibatis.dao.engine.transaction.DaoTransactionManager
*/
public class SqlMapDaoTransactionManager implements DaoTransactionManager {
private SqlMapClient client;
/**
* Required by interface
*
* @param properties required by interface
* @see com.ibatis.dao.engine.transaction.DaoTransactionManager
*/
public void configure(Properties properties) {
try {
Reader reader = null;
if (properties.containsKey("SqlMapConfigURL")) {
reader = Resources.getUrlAsReader((String) properties.get("SqlMapConfigURL"));
} else if (properties.containsKey("SqlMapConfigResource")) {
reader = Resources.getResourceAsReader((String) properties.get("SqlMapConfigResource"));
} else {
throw new DaoException("SQLMAP transaction manager requires either 'SqlMapConfigURL' or 'SqlMapConfigResource' to be specified as a property.");
}
client = SqlMapClientBuilder.buildSqlMapClient(reader, properties);
} catch (IOException e) {
throw new DaoException("Error configuring SQL Map. Cause: " + e);
}
}
/**
* Required by interface
*
* @return A new Transaction
* @see com.ibatis.dao.engine.transaction.DaoTransactionManager
*/
public DaoTransaction startTransaction() {
return new SqlMapDaoTransaction(client);
}
/**
* Required by interface
*
* @param trans Required by interface
* @see com.ibatis.dao.engine.transaction.DaoTransactionManager
*/
public void commitTransaction(DaoTransaction trans) {
((SqlMapDaoTransaction) trans).commit();
}
/**
* Required by interface
*
* @param trans Required by interface
* @see com.ibatis.dao.engine.transaction.DaoTransactionManager
*/
public void rollbackTransaction(DaoTransaction trans) {
((SqlMapDaoTransaction) trans).rollback();
}
}
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